Verse 19

but thus do to them, that they may live, and not die, when they approach to the most holy things: Aaron and his sons shall go in, and appoint them everyone to his service and to his burden;

Referenced Verses

• Num 4:15 : 15 "When Aaron and his sons have finished covering the sanctuary, and all the furniture of the sanctuary, as the camp moves forward; after that, the sons of Kohath shall come to carry it: but they shall not touch the sanctuary, lest they die. These things are the burden of the sons of Kohath in the Tent of Meeting.